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A basketball player jumps straigh up to launch a long jump shot at an angle of 45 degrees with the horizontal and a speed of 15 m/s. The 78 kg player is momentarily at rest at the top of his jump just beforethe shot is released, with his feet 0.80 m above the floor. The mass of a basketball is 0.62 kg. Treat the player as a point particle. Assume the ball is launched to the right (positive x and y)
A.) What is the players velocity immediatley after the shot is realeased (break up into vertical and horizontal components/ answer ___i+___j)
B.) How far from his original position does he land?
the planes speed when landing in still air is 20 m/s. what is the speed relative to the ground if it lands with the 10 m/s wind
A 0.26-kg rock is thrown vertically upward from the top of a cliff that is 32m high. Assuming that air resistance can be ignored, find the initial speed of the rock
One end of an iron rod 40 cm long and 3.3 cm in diameter is in ice water, the other in boiling water. What is the heat-flow rate along the rod
A boat has a mass of 6800 kg. Its engines generate a drive force of 4050 N, due west, while the wind exerts a force of 860 N, What is the magnitude and direction of the boat's acceleration
Five equal-mass particles (A-E) enter a region of uniform magnetic field directed into page. They follow the trajectories. Rank the particles on the basis of their speed.
An object's true weight is 123 N. When it is completely submerged in water, its apparent weight is 82 N. what is the density of the object
A sinusoidal electromagnetic wave having a magnetic field of amplitude 1.20uT, What is the amplitude of the associated electric field
Two 95.0W (120 V) lightbulbs are wired in series, then the combination is connected to a 120V supply. How much power is dissipated by each bulb
Let the drag force on a ball of mass m moving through air in the gravity-free bubble include both "viscous" drag F1=-kv, Find the velocity v of a ball thrown with initial speed v0.
block A (mass 2.28 kg) rests on a tabletop. It is connected by a horizontal cord passing over a light, frictionless pulley to a hanging block B (mass 2.57 kg ), evaluate the tension in the cord
A small object begins a free-fall from a height of H = 82.5 m at t0 = 0 s. At what height from the ground will the two objects first meet
A loudspeaker of mass 25.0 is suspended the distance of = 2.40 below ceiling by two cables that make equal angles with the ceiling. Each cable has a length of = 2.50. What is the tension in each of cables.
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